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openmptcprouter/root/target/linux/bcm27xx/patches-5.14/0130-clk-bcm2835-Don-t-wait-for-pllh-lock.patch
Ycarus (Yannick Chabanois) 5c593832cc Add 5.14 patches for RPI
2021-10-01 16:58:58 +02:00

43 lines
1.3 KiB
Diff

From 10c2285be18cba4b2ef79f052753ff55994d3be5 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 23 Jan 2019 16:11:50 +0000
Subject: [PATCH 130/552] clk-bcm2835: Don't wait for pllh lock
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/clk/bcm/clk-bcm2835.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 2674b979a072..38f97f1707d2 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -644,15 +644,17 @@ static int bcm2835_pll_on(struct clk_hw *hw)
spin_unlock(&cprman->regs_lock);
/* Wait for the PLL to lock. */
- timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS);
- while (!(cprman_read(cprman, CM_LOCK) & data->lock_mask)) {
- if (ktime_after(ktime_get(), timeout)) {
- dev_err(cprman->dev, "%s: couldn't lock PLL\n",
- clk_hw_get_name(hw));
- return -ETIMEDOUT;
+ if (strcmp(data->name, "pllh")) {
+ timeout = ktime_add_ns(ktime_get(), LOCK_TIMEOUT_NS);
+ while (!(cprman_read(cprman, CM_LOCK) & data->lock_mask)) {
+ if (ktime_after(ktime_get(), timeout)) {
+ dev_err(cprman->dev, "%s: couldn't lock PLL\n",
+ clk_hw_get_name(hw));
+ return -ETIMEDOUT;
+ }
+
+ cpu_relax();
}
-
- cpu_relax();
}
cprman_write(cprman, data->a2w_ctrl_reg,
--
2.33.0